/*-------------------------------------------------------------------------
 *
 * rewriteHandler.h
 *        External interface to query rewriter.
 *
 *
 * Portions Copyright (c) 1996-2017, PostgreSQL Global Development Group
 * Portions Copyright (c) 1994, Regents of the University of California
 *
 * src/include/rewrite/rewriteHandler.h
 *
 *-------------------------------------------------------------------------
 */
#ifndef REWRITEHANDLER_H
#define REWRITEHANDLER_H

#include "utils/relcache.h"
#include "nodes/parsenodes.h"

extern List *QueryRewrite(Query *parsetree);
extern void AcquireRewriteLocks(Query *parsetree,
                    bool forExecute,
                    bool forUpdatePushedDown);

extern Node *build_column_default(Relation rel, int attrno);
extern Query *get_view_query(Relation view);
extern const char *view_query_is_auto_updatable(Query *viewquery,
                             bool check_cols);
extern int relation_is_updatable(Oid reloid,
                      bool include_triggers,
                      Bitmapset *include_cols);

#ifdef PGXC
extern List *QueryRewriteCTAS(Query *parsetree);
#endif

#endif                            /* REWRITEHANDLER_H */
